Specifications
Installation and Operation Manual Chapter 1 Introduction
ASMi-31 Ver. 3.0 Physical Description 1-5
• Loss of management
• Loss of synchronization between modems
• NVRAM failure
• Configuration mismatch.
Compatibility
The ASMi-31 standalone unit is compatible with the following products:
• ASM-31
• ASMi-31 with half-duplex management
• SRM-31
• MP-2100 HS-U card
ASMi-31 is compatible with its older versions. When the modem operates
opposite ASMi-31 units with the half-duplex management, the new product
features will be disabled (for example, the full-duplex management will be
unavailable).
For the instructions on making ASMi-31 compatible with the older products, refer
to
Making ASMi-31 Compatible with Older Products
in Chapter 2.
1.2 Physical Description
ASMi-31 is available as a standalone unit or as a rack-mount card for the
ASM-MN-214 hub.
Figure 1-2
shows the 3D view of the ASMi-31 master
standalone unit.
Figure 1-2. ASMi-31/M Unit
The front panel includes eight LEDs, which display the status of power, data flow,
control signals and diagnostics. The LCD together with three buttons is used to
display status (alarm) messages, and diagnostics of ASMi-31/M. You can also use
the LCD and buttons to configure the unit. For details, refer to
Chapter 3
and
Chapter 4.
The back panel includes a power connector (AC or DC), a DTE interface connector,
and line connectors. The ASMi-31 rear panel is described in greater detail, in
Chapter 2
.